Type Safety
~the extent to which a programming language~
~*discourages* or *prevents* type errors~
*PHP 5.0*: Class name hints
*PHP 5.1*: array typehint
| renderNotes(
array(
'This was helpful',
'This was really helpful'
)
);
?>
]]> |
renderNotes(
array(
'This was helpful',
'This was really helpful'
)
);
?>
]]> |
https://wiki.php.net/rfc/scalar_type_hints_v5
*PHP 7.0*: Scalar Type Declarations (v5)
|
]]> |
]]>
Uncaught TypeError: getObject():
Argument #1 ($oid) must be of type int, string given |
https://wiki.php.net/rfc/return_types
*PHP 7.0*: Return type declarations
https://wiki.php.net/rfc/nullable_types
*PHP 7.1*: Nullable types
https://wiki.php.net/rfc/void_return_type
*PHP 7.1*: Void return type
| addNote(new Note("It was lovely"));
?>
]]> |
addNote(new Note("It was lovely"));
?>
]]> |
https://wiki.php.net/rfc/parameter-no-type-variance
*PHP 7.2*: Parameter type widening
|
Warning: Declaration of
MyArticle::getSlug($title): void
should be compatible with
LibraryArticle::getSlug(string $title): void
|
|